| 单词 | 鲸目动物 |
| 释义 | 〔cetacean〕Any of various aquatic, chiefly marine mammals of the order Cetacea, including the whales, dolphins, and porpoises, characterized by a nearly hairless body, anterior limbs modified into broad flippers, vestigial posterior limbs, and a flat, notched tail.鲸目动物：鲸目动物中的一种水生动物，主要是海生哺乳动物，包括鲸、海豚和鼠海豚， 特征为身体几乎无毛、前肢变成宽大的鳍、后肢退化及尾扁平而分叉〔cetacean〕Of, relating to, or belonging to the order Cetacea.鲸目动物的：属于、关于或隶属于鲸目动物的〔spiracle〕The blowhole of a cetacean.鲸目动物的鼻孔〔blowhole〕An opening or one of a pair of openings for breathing, located on the top of the head of cetaceans, such as whales and dolphins. The blowhole is opened by muscles upon surfacing and closed by the pressure of water upon diving.鲸鱼类的喷水孔：在鲸目动物（如鲸、海豚）头顶，用于换气的单鼻孔或双鼻孔中的一个。当鼻孔在水面上时，由动物肌肉牵引而张开，在水下时，由水的压力合上 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。